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Finding the Fourth Proportional to 9,009.70, 13,514.55 and 6,532.90

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Solution

The fourth proportional to 9,009.70, 13,514.55 and 6,532.90 is: 9,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.70 : 13,514.55 = 6,532.90 : x
  2. Step 2: Convert to fraction form
    9,009.70/13,514.55 = 6,532.90/x
  3. Step 3: Cross multiply
    9,009.70x = 13,514.55 × 6,532.90
  4. Step 4: Simplify right side
    9,009.70x = 88,289,203.70
  5. Step 5: Solve for x
    x = 88,289,203.70/9,009.70
  6. Step 6: Final answer
    x = 9,799.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.